Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 207
Fig. 371. … ^^C ^ (b (b y H a Fig. 373. Fig. 374. raised one foot, and, as the movement of W is but one foot for the two feet of P, Wmust be twice P. In the combination of pulleys (Fig. 373), let P be pulled, say, three feet; then thislength of rope, drawn from the opposite side of the pulley, is distributed…
Mechanical drawing
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